JP2532057Y2 - Locking rod assembly - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock device that is linked to a handle member of a movable panel hinged to a fixed frame.

[0002]

2. Description of the Related Art As an example of a conventional locking mechanism for a movable panel (door) such as a vertically long steel rocker or a switchboard, a handle member for opening / closing operation is attached to the outside of the movable panel and inside the movable panel. Is provided with a locking claw member that pivots in conjunction with the handle member and a locking rod member that moves up and down in conjunction with the locking claw member. When the locking rod member moves up or down, its free end is part of the fixed frame. And can be locked to prevent the movable panel from opening.

[0003]

In the lock device, one end of a locking rod member is usually attached to a locking claw member integral with a handle member via a screw or the like, and the other end is a free end. However, the vicinity of the end is supported by a guide hole provided on the movable panel side. In the structure in which the locking rod member is supported at both ends as described above, it is generally troublesome to attach and remove the locking rod member to and from the movable panel. Particularly, as the length of the locking rod member increases, it takes more time to insert and remove the free end portion into and from the guide hole. Further, since such a locking rod member is not generally provided with a length adjusting mechanism, if the length of the locking rod member is insufficient when attaching to the movable panel, other than exchanging the locking rod member. There is a problem that there is no way to deal with.

[0004] This invention is intended to solve the above-mentioned problem of the prior art by forming the locking rod member from two members and connecting the other member to one of the members so as to be adjustable in length. Is what you do.

[0005]

SUMMARY OF THE INVENTION The present invention provides a fixed frame.
Of the movable panel (2), which is hinged to the
Hand supported to be pivotable about axis (7) in the region between the ends
(3) and a member integrally fixed to the shaft (7).
Pawl member (6), first end (13a) and its opposite end
And a second end (14b) located at the first end (1b).
3a) is rotatably connected to the locking claw member (6).
Locking guidance rod (12), fixed to the fixed frame (1)
Guide member from which the second end (14b) is engaged and disengaged
(22), the first guide member (22) and the locking claw portion
Part of the movable panel (2) located between the material (6)
That is fixed to the arm and always holds the locking rod member (12)
And a second guide member (19) having a hole (20).
The improvement of the installation.

In this invention, the locking rod member (1)
2) The first end (13a), the first end (13
The first screw portion (1) located at the end (13b) opposite to (a).
8) and the second end (14b) is the first guide member.
In the state where the guide holes (2) are locked,
First rod member (13) having a length dimension that cannot reach 0)
A second screw threadably engaged with the first screw portion (18).
At the end opposite to the screw portion (15) and the second screw portion (15)
A second rod member having the second end (14b) located
(14) and the first and second points
Of the second rod member (14) between the guide members (22, 19).
A retaining ring member having a diameter larger than that of the guide hole (20) on the outer periphery.
(16) is provided.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of this invention will be described below with reference to the illustrated embodiment.

In FIG. 1 and FIG. 2A, a steel distribution board storage box includes a fixed frame 1 and a movable panel 2 as a door. The movable panel 2 is attached to the fixed frame 1 via a hinge (not shown) so as to be freely opened and closed. The movable panel 2 can be opened and closed by gripping a handle member 3 attached thereto.

On the other hand, a movable panel is
2. A locking device according to the invention for releasably supporting 2
Are the handle member 3, the locking claw member 6, and the locking rod member 1.
2 and guide members 19 and 22.

The handle member 3 has a grip portion 5, which is rotatably supported on the movable panel 2 by a shaft 7 at a base portion 4 thereof, and a locking claw member located inside the panel 2 near the inner end of the shaft 7. 6 is fixed. The locking claw member 6 has a long laterally protruding engaging claw portion 8 and a vertically protruding connecting portion 9. In FIG. 1, the engaging claw 8 is engaged with the receiving groove 10 inside the fixed frame 1, and the movable panel 2 is locked with respect to the fixed frame 1. Arrow A on grip part 5
When pivoted in the direction, the engaging claw 8 is separated from the receiving groove 10. The connecting portions 9 are provided in pairs in the vertical direction. A plastic bush 100 is provided in the hole 17 of each connecting portion 9.
The locking rod member 12 is connected via (see FIG. 2).
Since the upper and lower locking rod members 12 are substantially the same, only the upper locking rod member 12 will be described below, and the description of the lower locking rod member 12 will be omitted.

The locking rod member 12 has two end portions 13a, 13b.
And a first rod member 13 having both ends 14a, 14b.
And a second rod member 14. 1st rod member 1
3 is such that the end 13a is bent in an L-shape and fixed to this bent portion.
Rotate to the hole 17 of the connecting part 9 via the fixed bush 100
Connected as possible. The first rod member 13 is moved from the end 13b.
Has a screw portion 18 protruding. The second rod member 14 has an end
A lock nut screwed into the screw portion 18 so as to be able to advance and retreat to 14a.
(Screw part) 15. The guide member 22 is a second rod member
14 has a guide hole 23 with which the end 14b is engaged and disengaged.
Fixed to frame 1. The guide member 19 is always
At this time, it has a guide hole 20 for holding the second rod member 14,
In the portion of the movable panel 2 between the member 22 and the locking claw member 6
It is fixed. The first rod member 13 is an end of the second rod member 14.
State that the portion 14b is engaged with the guide hole 23 of the guide member 22
In other words, in other words, the locking claw portion 8 of the locking claw member 6
Are engaged with the receiving groove 10, and the connecting portion 9 and the locking rod member 12
The end 13b is guided in a state where
It has a length dimension that cannot be engaged with the hole 20.

In FIG. 2B, as compared with FIG. 2A, the locking rod member 1 is provided by an amount corresponding to the exposed screw portion 18.
2 has a longer overall length. The second rod member 14 screwed to the first rod member 13 via the screw portions 15 and 18 is provided with the guide hole 2.
It has the function of extending the first rod member 13 that does not reach zero or adjusting the length of the locking rod member 12. This second rod member 1
The locking rod member 12 is held substantially vertically by the sliding member 4 always being slidably engaged with the guide hole 20 inside the movable panel 2. The second rod member 14 is inserted into the guide hole 20 and screwed to the second rod member 13 at a position below the guide member 19. On the other hand, the free end portion 14b of the screwed second rod member 14 is always in a state of protruding upward with respect to the guide member 19. A snap ring member 16 having an outer diameter larger than the diameter of the guide hole 20 is press fitted on the outer periphery of the second rod member 14 between the guide members 19 and 22. Therefore, even if the locking rod member 12 is removed from the hole 17 of the connecting portion 9, the retaining ring member 16 is engaged with the guide member 19 and does not fall to the floor.
When the screwing position of the second rod member 14 is determined, the lock nut 15 is tightened and fixed.

The locking rod member 12 can move up and down by the rotation of the locking claw member 6 interlocked with the rotation of the grip portion 5. In FIG. 2A, when the grip portion 5 is turned in the direction of arrow A to reach the top dead center, the connecting portion 9 also turns in the same direction, and the first rod member 13 is slidable in the connecting hole 17. Therefore, the locking rod member 12 descends to reach the bottom dead center. With this movement, the free end 14b of the second rod member 14 is
Break away from At the same time, the engaging claw 8 is also separated from the receiving groove 10. Thus, the movable panel 2 can be freely opened because all the locks on the fixed frame 1 are released. In order to lock the movable panel 2 to the fixed frame 1, the reverse operation may be performed. When the movable panel 2 is closed and the grip portion 5 turned in the direction of arrow A is returned in the opposite direction, the locking rod member 12 rises to reach the top dead center. With this movement, the free end portion 14b of the second rod member 14 engages with the engagement hole 23 of the fixed frame 1 to be locked. At this time, if the length of the locking rod member 12 is insufficient and the free end of the second rod member 14 does not reach the engagement hole 23, the second rod member 14
Can be adjusted by adjusting the screwing depth.

In FIG. 3, a bush 100 has a tubular portion 101 into which the L-shaped bent portion 13a of the first rod member 13 is inserted.
This is a plastic molded product in which a restraining portion 102 which is fitted to the first rod member 13 from the side is integrally formed. It is preferable that the plastic has a small coefficient of friction and makes the sliding in the connecting hole 17 smooth. The tubular portion 101 has a tapered portion 103 and a cylindrical portion 104 outside thereof. The tapered portion 103 is a step 105 from the free end of the tubular portion 101.
The cylindrical portion 1 having a small diameter at the step 105
It is connected to 04. The outer diameter of the step 105 is slightly larger than the inner diameter of the mounting hole 17. Cylindrical part 104
Is slightly larger than the thickness of the locking claw member 6, and the outer diameter is slightly smaller than the connecting hole 17. The cylindrical portion 104 is provided with a pair of slits 106 parallel to the length direction. The insertion of the tubular portion 101 into the mounting hole 17 is easy because of the tapered portion, and the insertion of the step 105 is made possible by the elastic deformation of the tubular portion 101 in the radial direction by the slit 106. After the insertion, the step 105 is around the connection hole 17,
Engagement with the locking claw member 6 prevents the insertion in the direction opposite to the insertion. The restraining portion 102 has side walls 106, 107, 108, and the side wall 106 curves inward of the restraining portion 102,
The fitted first rod member 13 is supported from both sides together with the side wall 107, and is prevented from coming off the restraining portion 102. Side wall 1
08 is connected to the tubular part 101. 2, in order to remove the first rod member 13 from the locking claw member 6, the side wall 107 is pushed in the direction of arrow E, and the bush 100 is rotated around the tubular portion 101. Subsequently, the bent end portion 13a of the first rod member 13 is pulled out from the tubular portion 101. First
Attachment of the rod member 13 to the locking claw member 6 may be performed in the reverse order of the removal.

[0015]

According to the lock device according to the present invention, the locking is achieved.
The rod member (12) is connected to the first and second rod members (13, 14).
And are connected by screwing them together
The second rod member (14) with respect to the first rod member (13).
By adjusting the screwing depth, the total length of the locking rod member (12) is increased.
Can be adjusted.

Also, the first and second rod members (13, 14)
Of the second guide member (19) and the locking claw member
(6), the second rod member
(14) through the guide hole (20) of the second guide member (19).
Then, the locking rod is connected to the first rod member (13) by screwing.
The work of attaching the member (12) to the movable panel (2)
Extremely easy. Also, on the outer periphery of the second rod member (14),
Is larger in diameter than the guide hole (20) of the second guide member (19) .
Since the retaining ring member (16) is provided, for example,
A state in which the member (12) is suspended by the second guide member (19).
To connect the locking rod member (12) and the locking claw member (6).
In the locking rod member (12).
Extremely easy installation work on the movable panel (2)
Become.

[Brief description of the drawings]

FIG. 1 is a partially exploded perspective view showing a use state of a locking rod member from the outside of a movable panel.

FIG. 2 is a partially exploded perspective view showing a use state of a locking rod member from inside of a movable panel by (A) and (B).

FIG. 3 is a perspective view of a bush.

[Explanation of symbols]

 Reference Signs List 1 fixed frame 2 movable panel 3 handle member 12 locking rod member 13 first rod member 14 second rod member 19, 22 guide member

Claims (1)

(57) [Scope of request for utility model registration] (1)Movable hinged to fixed frame (1)
Swivel around the axis (7) at a position between both ends in the vertical direction of the panel (2)
A handle member (3) supported so as to support the shaft (7);
Locking claw member (6) integrally fixed to the first end portion;
(13a) and a second end (14
b) wherein said first end (13a) is said locking claw member
A locking rod member (12) rotatably connected to (6),
The second end (1) fixed to the fixed frame (1)
4b) engaging and disengaging a first guide member (22);
Positioned between the inner member (22) and the locking claw member (6)
The locking rod portion fixed to a portion of the movable panel (2)
Second having a guide hole (20) for always holding the material (12)
A lock device including a guide member (19), The locking rod member (12) includes the first end portion (13a),
Located at an end (13b) opposite to the first end (13a).
The first threaded portion (18) and the second end (14b)
In the state where the first guide member (22) is locked
A first having a length dimension that cannot reach the guide hole (20);
The rod member (13) and the first screw portion (18) can be advanced and retracted.
A second threaded portion (15) screwed into the second threaded portion (1)
5) having the second end (14b) located at the opposite end.
And a second rod member (14). The second guide member between the first and second guide members (22, 19);
The outer diameter of the rod member (14) is larger than that of the guide hole (20).
A large retaining ring member (16) is provided; The device, characterized in that: